各種(zhong)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)、爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)器(qi)材(cai)銷毀以(yi)及(ji)(ji)(ji)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)器(qi)材(cai)意外(wai)爆(bao)(bao)(bao)(bao)炸時,爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)源與(yu)人員(yuan)和其他(ta)保(bao)護(hu)對象(xiang)之間的安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li)稱(cheng)為(wei)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li)。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li)應取各種(zhong)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)效應(地(di)震(zhen)、沖擊波(bo)、飛石、有毒(du)氣體(ti)等)分(fen)別核(he)定(ding)(ding)的大值。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)時,必(bi)然產生爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)地(di)震(zhen)、空(kong)氣沖擊波(bo)、碎石飛散(san)及(ji)(ji)(ji)有害(hai)氣體(ti),因此,爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)設計時必(bi)須確定(ding)(ding)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)危害(hai)范圍,并確定(ding)(ding)爆(bao)(bao)(bao)(bao)點(dian)到附近人員(yuan)、設備、建筑(zhu)物及(ji)(ji)(ji)井巷等的安(an)(an)全(quan)(quan)(quan),這一段距(ju)(ju)離(li)就稱(cheng)為(wei)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li)。如何(he)控(kong)制好這段距(ju)(ju)離(li)就顯的尤為(wei)重要。為(wei)保(bao)證(zheng)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan),爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)地(di)點(dian)與(yu)人員(yuan)或其他(ta)應保(bao)護(hu)對象(xiang)之間必(bi)須保(bao)持(chi)短的相隔長度(du)(du)。爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)有害(hai)效應隨(sui)距(ju)(ju)離(li)的增(zeng)加有規(gui)(gui)律地(di)衰減,用距(ju)(ju)離(li)作(zuo)為(wei)安(an)(an)全(quan)(quan)(quan)尺(chi)度(du)(du)可限定(ding)(ding)爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)有害(hai)效應在允(yun)許限度(du)(du)之內。中國《爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)安(an)(an)全(quan)(quan)(quan)規(gui)(gui)程(cheng)》規(gui)(gui)定(ding)(ding)了爆(bao)(bao)(bao)(bao)破(po)(po)(po)(po)(po)(po)地(di)震(zhen)安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li),個別飛散(san)物安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li),以(yi)及(ji)(ji)(ji)爆(bao)(bao)(bao)(bao)炸沖擊波(bo)的安(an)(an)全(quan)(quan)(quan)距(ju)(ju)離(li)。
專業c型聚能管采用一種抗靜電阻燃的特種塑料管、異形雙槽聚能管,根據炮眼深度可長可短。連云港c型聚能管是(shi)兩個(ge)相似半(ban)壁管(guan)(guan)(guan)組成(cheng)(cheng)(cheng),半(ban)壁管(guan)(guan)(guan)中(zhong)央有個(ge)凹進去的(de)(de)槽(cao)(cao)叫做'聚(ju)能槽(cao)(cao)",使(shi)用(yong)聚(ju)能管(guan)(guan)(guan)光面爆(bao)破(po)成(cheng)(cheng)(cheng)型效(xiao)果好,開挖(wa)(wa)輪廓線平順整齊(qi),圍(wei)巖擾動(dong)(dong)減(jian)(jian)(jian)少、超欠挖(wa)(wa)明顯改(gai)善,有利于支護(hu)工(gong)序施工(gong),同時混凝土(tu)回(hui)填成(cheng)(cheng)(cheng)本大為降(jiang)低(di)。鑿孔(kong)率減(jian)(jian)(jian)少30%,大大降(jiang)低(di)了(le)爆(bao)破(po)作業工(gong)班的(de)(de)勞(lao)動(dong)(dong)量(liang)(liang):鉆(zhan)孔(kong)縮短30分鐘(zhong)、少打眼、出渣量(liang)(liang)減(jian)(jian)(jian)少,降(jiang)低(di)了(le)材料(liao)成(cheng)(cheng)(cheng)本、減(jian)(jian)(jian)少工(gong)時消耗、勞(lao)動(dong)(dong)效(xiao)率明顯提(ti)高,周邊(bian)眼爆(bao)破(po)成(cheng)(cheng)(cheng)本降(jiang)低(di)30%以上,半(ban)眼痕保留(liu)率高達85%以上。pvc爆(bao)破(po)聚(ju)能管(guan)(guan)(guan)主要(yao)應用(yong)于隧(sui)道、煤礦、鐵礦等需要(yao)進行光面爆(bao)破(po)施工(gong)的(de)(de)工(gong)程。采(cai)用(yong)聚(ju)能管(guan)(guan)(guan)的(de)(de)光面爆(bao)破(po)可減(jian)(jian)(jian)少鉆(zhan)孔(kong),擴大孔(kong)距,減(jian)(jian)(jian)少導爆(bao)管(guan)(guan)(guan)用(yong)量(liang)(liang),減(jian)(jian)(jian)少超挖(wa)(wa),減(jian)(jian)(jian)少噴漿(jiang),提(ti)高半(ban)孔(kong)率,既節省(sheng)了(le)成(cheng)(cheng)(cheng)本又提(ti)高了(le)施工(gong)效(xiao)率。
對(dui)(dui)(dui)于(yu)爆(bao)破(po)(po)(po)作(zuo)業(ye)安(an)全(quan)(quan)(quan)技術(shu)的(de)(de)(de)(de)研(yan)究,是(shi)(shi)從(cong)兩個(ge)(ge)方面(mian)去考慮的(de)(de)(de)(de),一(yi)(yi)方面(mian)是(shi)(shi)炸和(he)起爆(bao)器材(cai)以(yi)(yi)及對(dui)(dui)(dui)其爆(bao)炸所造成的(de)(de)(de)(de)破(po)(po)(po)壞作(zuo)用進(jin)行限制的(de)(de)(de)(de)安(an)全(quan)(quan)(quan)技術(shu),這是(shi)(shi)主動(dong)(dong)的(de)(de)(de)(de)。另一(yi)(yi)個(ge)(ge)方面(mian)是(shi)(shi)對(dui)(dui)(dui)爆(bao)破(po)(po)(po)所產生的(de)(de)(de)(de)危(wei)害采取的(de)(de)(de)(de)防(fang)護措(cuo)施,這是(shi)(shi)被(bei)動(dong)(dong)的(de)(de)(de)(de)一(yi)(yi)個(ge)(ge)方面(mian)。兩者(zhe)對(dui)(dui)(dui)阻止(zhi)爆(bao)破(po)(po)(po)帶來的(de)(de)(de)(de)破(po)(po)(po)壞性(xing)有(you)(you)同樣(yang)的(de)(de)(de)(de)重要性(xing),但在(zai)具體(ti)的(de)(de)(de)(de)爆(bao)破(po)(po)(po)工程(cheng)中,則(ze)常常會有(you)(you)變化(hua)不(bu)定的(de)(de)(de)(de)現象和(he)后果,因(yin)此,必須對(dui)(dui)(dui)每(mei)一(yi)(yi)項工程(cheng)破(po)(po)(po)壞的(de)(de)(de)(de)具體(ti)情況作(zuo)細致的(de)(de)(de)(de)分(fen)析研(yan)究,從(cong)而采取適當的(de)(de)(de)(de)對(dui)(dui)(dui)策。同時(shi),雖然技術(shu)不(bu)斷取得進(jin)步(bu),須在(zai)操(cao)作(zuo)過(guo)程(cheng)中注意每(mei)個(ge)(ge)工序,按照安(an)全(quan)(quan)(quan)規(gui)程(cheng)認真(zhen)作(zuo)業(ye)。只要嚴(yan)格遵守安(an)全(quan)(quan)(quan)規(gui)程(cheng)、正確(que)地采取安(an)全(quan)(quan)(quan)技術(shu)措(cuo)施和(he)防(fang)護措(cuo)施,任何規(gui)模、任何種類的(de)(de)(de)(de)爆(bao)破(po)(po)(po)是(shi)(shi)可以(yi)(yi)確(que)保(bao)安(an)全(quan)(quan)(quan)的(de)(de)(de)(de)。一(yi)(yi)些安(an)全(quan)(quan)(quan)規(gui)定的(de)(de)(de)(de)條文是(shi)(shi)有(you)(you)經驗教訓和(he)理(li)論(lun)根(gen)據的(de)(de)(de)(de),有(you)(you)的(de)(de)(de)(de)甚至是(shi)(shi)血的(de)(de)(de)(de)教訓的(de)(de)(de)(de)總結,所以(yi)(yi)一(yi)(yi)定要克服麻痹思想,嚴(yan)格執行安(an)全(quan)(quan)(quan)規(gui)定,決不(bu)能以(yi)(yi)沒出過(guo)事故而輕(qing)率地"突破(po)(po)(po)"規(gui)定的(de)(de)(de)(de)"框(kuang)框(kuang)"。
水(shui)壓(ya)(ya)爆(bao)破(po)是(shi)在(zai)(zai)炮(pao)(pao)孔(kong)(kong)兩(liang)(liang)(liang)端填充水(shui)袋,中(zhong)間(jian)(jian)裝上(shang)乳化炸,炮(pao)(pao)孔(kong)(kong)再(zai)用(yong)炮(pao)(pao)泥封死,炮(pao)(pao)孔(kong)(kong)間(jian)(jian)距(ju)(ju)很大,兩(liang)(liang)(liang)個炮(pao)(pao)空(kong)之間(jian)(jian)相距(ju)(ju)了(le)一(yi)米左(zuo)右(you),是(shi)常(chang)規爆(bao)破(po)的(de)(de)(de)炮(pao)(pao)孔(kong)(kong)間(jian)(jian)距(ju)(ju)的(de)(de)(de)兩(liang)(liang)(liang)倍,這樣可以(yi)節省炮(pao)(pao)孔(kong)(kong)材料,這兩(liang)(liang)(liang)個凹(ao)槽又稱為(wei)聚能(neng)(neng)槽,聚能(neng)(neng)槽非常(chang)重要(yao),放置的(de)(de)(de)位(wei)置和方向都十(shi)分(fen)講究,一(yi)點也不能(neng)(neng)出錯(cuo),在(zai)(zai)爆(bao)破(po)的(de)(de)(de)瞬間(jian)(jian),高溫高壓(ya)(ya)聚能(neng)(neng)射(she)流立即往(wang)凹(ao)槽兩(liang)(liang)(liang)邊(bian)的(de)(de)(de)巖(yan)石進行(xing)切(qie)割,巖(yan)石如同豆腐一(yi)樣輕松被切(qie)割切(qie)割出來的(de)(de)(de)輪(lun)廓線十(shi)分(fen)平順,效果極好,聚能(neng)(neng)水(shui)壓(ya)(ya)爆(bao)破(po)中(zhong)的(de)(de)(de)水(shui)袋沒有(you)降(jiang)(jiang)(jiang)低爆(bao)破(po)的(de)(de)(de)效果,反而能(neng)(neng)保護(hu)隧(sui)道周邊(bian)植(zhi)被,減少地質擾動,降(jiang)(jiang)(jiang)低煙塵(chen),重要(yao)的(de)(de)(de)是(shi)節省炸成本(ben),在(zai)(zai)未來這項技術會廣泛應(ying)用(yong)于工程中(zhong),降(jiang)(jiang)(jiang)低施工成本(ben)。爆(bao)破(po)聚能(neng)(neng)管水(shui)壓(ya)(ya)光面(mian)爆(bao)破(po)較水(shui)壓(ya)(ya)光面(mian)爆(bao)破(po),在(zai)(zai)周邊(bian)眼單循(xun)環火工品使用(yong)量上(shang)節約費(fei)(fei)用(yong)8.3%,周邊(bian)眼鉆孔(kong)(kong)數量從39個下降(jiang)(jiang)(jiang)為(wei)23個費(fei)(fei)用(yong)節約41%,混凝土噴(pen)射(she)每延米節約1.37立方米。
是由管(guan)(guan)(guan)體(ti)(ti)、前(qian)(qian)(qian)錐形定(ding)(ding)(ding)(ding)格(ge)(ge)帽、后定(ding)(ding)(ding)(ding)格(ge)(ge)堵構成(cheng)(cheng),管(guan)(guan)(guan)體(ti)(ti)為塑性材料(liao)制成(cheng)(cheng),呈管(guan)(guan)(guan)狀(zhuang),管(guan)(guan)(guan)體(ti)(ti)外(wai)徑小于(yu)(yu)正(zheng)常炮(pao)(pao)(pao)眼(yan)(yan)內徑,長度可隨爆破需要生產,管(guan)(guan)(guan)體(ti)(ti)兩(liang)端(duan)(duan)各有外(wai)螺紋(wen),兩(liang)端(duan)(duan)外(wai)螺紋(wen)間(jian)有一(yi)(yi)縱向(xiang)切縫(feng)(feng),切縫(feng)(feng)間(jian)等(deng)距有加強筋,前(qian)(qian)(qian)錐形定(ding)(ding)(ding)(ding)格(ge)(ge)帽呈傘(san)狀(zhuang),傘(san)形尖有一(yi)(yi)光孔,兩(liang)側直(zhi)壁內徑有螺紋(wen),與管(guan)(guan)(guan)體(ti)(ti)外(wai)徑前(qian)(qian)(qian)端(duan)(duan)螺紋(wen)配合,帽體(ti)(ti)外(wai)徑大于(yu)(yu)管(guan)(guan)(guan)體(ti)(ti),后定(ding)(ding)(ding)(ding)格(ge)(ge)堵為一(yi)(yi)封蓋,外(wai)徑直(zhi)徑大于(yu)(yu)管(guan)(guan)(guan)體(ti)(ti)外(wai)徑,與前(qian)(qian)(qian)錐形定(ding)(ding)(ding)(ding)格(ge)(ge)帽外(wai)徑一(yi)(yi)致(zhi)(zhi),后定(ding)(ding)(ding)(ding)格(ge)(ge)堵內徑有螺紋(wen),與管(guan)(guan)(guan)體(ti)(ti)外(wai)徑后端(duan)(duan)螺紋(wen)配合。可根據炮(pao)(pao)(pao)眼(yan)(yan)深度采(cai)用合適的(de)聚能(neng)管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti),不需其他(ta)工(gong)具幫(bang)助送入炮(pao)(pao)(pao)眼(yan)(yan),切縫(feng)(feng)方(fang)向(xiang)準(zhun)確,兩(liang)端(duan)(duan)的(de)前(qian)(qian)(qian)錐形定(ding)(ding)(ding)(ding)格(ge)(ge)帽和后定(ding)(ding)(ding)(ding)格(ge)(ge)堵外(wai)徑與炮(pao)(pao)(pao)眼(yan)(yan)內徑一(yi)(yi)致(zhi)(zhi),保證聚能(neng)管(guan)(guan)(guan)管(guan)(guan)(guan)體(ti)(ti)同心,定(ding)(ding)(ding)(ding)向(xiang)準(zhun)確。且利于(yu)(yu)工(gong)業化生產,作(zuo)業安全
是(shi)將炸藥(yao)(yao)裝(zhuang)在(zai)聚能(neng)(neng)管內,兩頭均放(fang)置了水(shui)(shui)袋(dai),聚能(neng)(neng)管爆炸產生的(de)高溫高壓(ya)(ya)射(she)流,讓水(shui)(shui)袋(dai)產生“水(shui)(shui)楔(xie)”效應,使(shi)圍巖裂(lie)縫(feng)加(jia)劇(ju)延(yan)伸擴展。它是(shi)在(zai)水(shui)(shui)壓(ya)(ya)光面(mian)爆破(po)基礎(chu)上(shang)發展起(qi)來的(de)一項(xiang)(xiang)新(xin)技術,區(qu)別只(zhi)是(shi)在(zai)周(zhou)邊眼中安裝(zhuang)專(zhuan)用線性聚能(neng)(neng)藥(yao)(yao)管替代常(chang)規爆破(po)藥(yao)(yao)卷(juan)和傳爆線,只(zhi)要做到(dao)七大(da)關鍵環(huan)節(jie):水(shui)(shui)袋(dai)挺拔飽滿、炮(pao)泥軟硬適中、水(shui)(shui)袋(dai)裝(zhuang)填(tian)到(dao)底、炮(pao)泥回填(tian)到(dao)口、木(mu)棍逐節(jie)搗(dao)固、水(shui)(shui)藥(yao)(yao)緊密(mi)相連、槽面(mian)必須平行,就能(neng)(neng)對控制超欠挖起(qi)到(dao)良好(hao)效果。在(zai)推(tui)廣水(shui)(shui)壓(ya)(ya)爆破(po)的(de)基礎(chu)上(shang),去年(nian)9月,水(shui)(shui)壓(ya)(ya)聚能(neng)(neng)爆破(po)的(de)成果上(shang),今年(nian)更為深入地在(zai)興泉鐵路大(da)嶺(ling)隧道、牡佳鐵路麻山隧道采用了此項(xiang)(xiang)技術,積累了成功經驗。